Modelling Assumptions Flashcards by Shaun Marchant | Brainscape

Q

Particle

A

Mass in one point

Rotational and air forces ignored

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Q

Rod

A

Mass connected
No thickness
Rigid

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Q

Lamina

A

Mass is distributed across a flat surface

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Q

Uniform body

A

Mass in one central point

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Q

Light object

A

No mass

Tension at both ends

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Q

Inextensible string

A

Acceleration connected

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Q

Smooth surface

A

No friction

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Q

Rough surface

A

Friction

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Q

Wire

A

One dimensional

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Q

Smooth and light pulley

A

Pulley has no mass

Tension equal on both sides of the pulley

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Q

Bead

A

Moves freely on a wire/string

Tension equal on both sides

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Q

Peg

A

Dimensionless and fixed

Can be smooth or rough

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Q

Air resistance

A

Normally negligible

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Q

Gravity

A

Uniform downwards 9.8ms^-2

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